0.5(x−3)=3x−2.5 4(x−3)=12(x2+5)
3x−4=2x−2+x
3(4−2x)=6(−x+2)

how many solutions for each??
plz help will give brainliest!!

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards